
\begin{table}[h!]
\caption{Event Study on Immigrant Workers. 
  Outcome: Share of Immigrant Workers Relative to 1998 and Current Swiss Population. 
  Sample: Border Region, Travel Minutes $<=$ 30, 1991--2019. 
  The baseline year is 1999. 
  Weights are based on the population size of each municipality.}
\begin{center}
\begin{tabular}{l D{)}{)}{9)3} D{)}{)}{9)3} D{)}{)}{8)3} D{)}{)}{9)3}}
\toprule
 & \multicolumn{2}{c}{Relative to 1998 Swiss} & \multicolumn{2}{c}{Relative to Current Swiss} \\
\cmidrule(lr){2-3} \cmidrule(lr){4-5}
 & \multicolumn{1}{c}{Model 1} & \multicolumn{1}{c}{Model 2} & \multicolumn{1}{c}{Model 3} & \multicolumn{1}{c}{Model 4} \\
\midrule
0--15 Minutes X 1996 & 0.38 \; (0.21)         & 0.89 \; (0.26)^{***}    & 0.59 \; (0.24)^{*}     & 1.03 \; (0.41)^{*}      \\
0--15 Minutes X 1997 & -0.00 \; (0.16)        & 0.24 \; (0.17)          & 0.16 \; (0.17)         & 0.31 \; (0.29)          \\
0--15 Minutes X 1998 & 0.06 \; (0.10)         & 0.13 \; (0.10)          & 0.11 \; (0.11)         & 0.16 \; (0.14)          \\
0--15 Minutes X 2000 & 0.24 \; (0.10)^{*}     & 0.34 \; (0.11)^{**}     & 0.08 \; (0.11)         & 0.33 \; (0.18)          \\
0--15 Minutes X 2001 & 0.56 \; (0.16)^{***}   & 0.69 \; (0.21)^{***}    & 0.28 \; (0.16)         & 0.51 \; (0.33)          \\
0--15 Minutes X 2002 & 0.67 \; (0.21)^{**}    & 0.70 \; (0.27)^{**}     & 0.30 \; (0.20)         & 0.45 \; (0.49)          \\
0--15 Minutes X 2003 & 0.86 \; (0.25)^{***}   & 1.23 \; (0.39)^{**}     & 0.38 \; (0.23)         & 0.91 \; (0.58)          \\
0--15 Minutes X 2004 & 1.25 \; (0.30)^{***}   & 1.97 \; (0.56)^{***}    & 0.61 \; (0.26)^{*}     & 1.51 \; (0.71)^{*}      \\
0--15 Minutes X 2005 & 1.54 \; (0.37)^{***}   & 2.71 \; (0.74)^{***}    & 0.85 \; (0.31)^{**}    & 2.17 \; (0.85)^{*}      \\
0--15 Minutes X 2006 & 1.93 \; (0.43)^{***}   & 3.60 \; (0.94)^{***}    & 1.17 \; (0.36)^{**}    & 3.09 \; (1.01)^{**}     \\
0--15 Minutes X 2007 & 2.34 \; (0.50)^{***}   & 4.41 \; (1.02)^{***}    & 1.51 \; (0.39)^{***}   & 3.93 \; (1.14)^{***}    \\
0--15 Minutes X 2008 & 2.78 \; (0.57)^{***}   & 4.60 \; (1.09)^{***}    & 1.82 \; (0.44)^{***}   & 4.05 \; (1.10)^{***}    \\
0--15 Minutes X 2009 & 3.30 \; (0.65)^{***}   & 5.20 \; (1.25)^{***}    & 2.31 \; (0.50)^{***}   & 4.77 \; (1.18)^{***}    \\
0--15 Minutes X 2010 & 3.72 \; (0.70)^{***}   & 6.15 \; (1.43)^{***}    & 2.76 \; (0.52)^{***}   & 5.86 \; (1.36)^{***}    \\
0--15 Minutes X 2011 & 4.21 \; (0.79)^{***}   & 7.14 \; (1.68)^{***}    & 3.38 \; (0.60)^{***}   & 7.43 \; (1.66)^{***}    \\
0--15 Minutes X 2012 & 4.71 \; (0.88)^{***}   & 7.84 \; (1.79)^{***}    & 3.80 \; (0.66)^{***}   & 8.29 \; (1.79)^{***}    \\
0--15 Minutes X 2013 & 5.22 \; (0.96)^{***}   & 8.43 \; (1.97)^{***}    & 4.23 \; (0.72)^{***}   & 8.95 \; (1.91)^{***}    \\
0--15 Minutes X 2014 & 5.70 \; (1.05)^{***}   & 9.57 \; (2.18)^{***}    & 4.59 \; (0.78)^{***}   & 10.20 \; (2.13)^{***}   \\
0--15 Minutes X 2015 & 5.80 \; (1.10)^{***}   & 10.34 \; (2.39)^{***}   & 4.68 \; (0.81)^{***}   & 11.06 \; (2.33)^{***}   \\
0--15 Minutes X 2016 & 5.79 \; (1.15)^{***}   & 10.50 \; (2.60)^{***}   & 4.55 \; (0.83)^{***}   & 11.09 \; (2.43)^{***}   \\
\midrule
Weights              & \multicolumn{1}{c}{No} & \multicolumn{1}{c}{Yes} & \multicolumn{1}{c}{No} & \multicolumn{1}{c}{Yes} \\
Num. obs.            & 20853                  & 20853                   & 20853                  & 20853                   \\
Num. groups: bfs19   & 993                    & 993                     & 993                    & 993                     \\
Num. groups: year    & 21                     & 21                      & 21                     & 21                      \\
\bottomrule
\multicolumn{5}{l}{\scriptsize{$^{***}p<0.001$; $^{**}p<0.01$; $^{*}p<0.05$}}
\end{tabular}
\label{tab:esdfA}
\end{center}
\end{table}
